Advanced Space-themed Crossword Puzzle
 
Listed Items
- 1.  The sum total of all matter and energy that exists in the cosmos
- 2.  An object that is seen in the air, but not identified
- 3.  What keeps us on the Earth
- 4.  A circular or elliptical path of one object around another
- 5.  A vehicle that flies in space
- 6.  A tool to look at distant stars
- 7.  A planet that is the third closest to the sun
- 8.  The science of celestial bodies and the universe
- 9.  A natural satellite of Earth
- 10. A celestial body made of ice, dust, and gas
- 11. A cosmic system made up of stars, gas, and dust
- 12. A celestial body that shines brightly in the night sky